@article{GDZPPN00211321X, title = {Superrigidity of lattices in solvable Lie groups.}, journal = {Inventiones mathematicae}, volume = {121}, year = {1995}, pages = {147-194}, zbl = {0844.22015}, url = {http://dml.mathdoc.fr/item/GDZPPN00211321X} }
Witte, Dave. Superrigidity of lattices in solvable Lie groups.. Inventiones mathematicae, Tome 121 (1995) pp. 147-194. http://gdmltest.u-ga.fr/item/GDZPPN00211321X/